Rotor design optimization of a 4000 rpm permanent magnet synchronous generator using moth flame optimization algorithm

Deniz Perin; Aslan Deniz Karaoglan; Kemal Yilmaz

doi:10.11121/ijocta.1407

Authors

Deniz Perin Department of R&D, ISBIR Electric Company, Turkey https://orcid.org/0000-0003-3697-3499
Aslan Deniz Karaoglan Department of Industrial Engineering, Balikesir University, Turkey https://orcid.org/0000-0002-3292-5919
Kemal Yilmaz Department of R&D, ISBIR Electric Company, Turkey https://orcid.org/0000-0001-5371-4267

DOI:

https://doi.org/10.11121/ijocta.1407

Keywords:

PMSG, Rotor design optimization, Moth flame optimization algorithm, Magnetic flux density distribution

Abstract

The goal of this paper is to optimize the rotor design parameters of 4000 rpm permanent magnet synchronous generator. The factors namely embrace, offset, outer diameter, and magnet thickness are selected as the design parameters those will be optimized in order to hold the magnetic flux density (MFD) distribution and the flux density on stator teeth and stator yoke within a desirable range while maximizing efficiency. The numerical simulations are carried out in the Maxwell environment for this purpose. The mathematical relationships between the responses and the factors are then derived using regression modeling over the simulation data. Following the modeling phase, the moth flame optimization is applied to these regression models to optimize the rotor design parameters. The motivation is determining mathematical relation between the important design parameters of the high speed generator and the measured responses, when standard M530-50A lamination material is used and then to demonstrate the utility of MFO to the readers on this design problem. The optimum factor levels for embrace, offset, outer diameter, and magnet thickness are calculated as 0.68, 30, 161.56, and 8.92 respectively. Additionally, confirmations are done by using Maxwell and the efficiency is calculated as 94.85%, and magnetic distributions are calculated as 1.64, 0.26, and 0.93 Tesla for stator teeth flux density, stator yoke flux density, and MFD; respectively. The results show that the efficiency is maximized and the magnetic distributions are kept within an appropriate range.

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Author Biographies

Deniz Perin, Department of R&D, ISBIR Electric Company, Turkey

Deniz Perin received MSc. and Ph.D. Degrees in Physics from Balikesir University in the years 2008 and 2015 in Turkey, respectively. He has studied magnetic flux leakage (MFL) and magnetic non-destructive testing in Ph.D. and in research program of Cardiff University Wolfson Centre for magnetics. From 2017 till now, he is working on magnetic design & simulations of synchronous generators with ANSYS Maxwell in Isbir Electric Co Research & Development Department as a research and development expert.

Aslan Deniz Karaoglan, Department of Industrial Engineering, Balikesir University, Turkey

Aslan Deniz Karaoglan received his Industrial Engineering diploma from Gazi University in Turkey in 2001, MSc. from Balikesir University in 2006, and Ph.D. from Dokuz Eylul University in 2010 in Turkey. His research interests are design of experiments, statistical process control, artificial intelligence, and optimization. He is a professor at Balikesir University (Turkey), Department of Industrial Engineering.

Kemal Yilmaz, Department of R&D, ISBIR Electric Company, Turkey

Kemal Yilmaz received the B.S. degree in in 2015 from the Department of Mechatronics Engineering - Karabuk University in 2015. Since 2017, he has been working as project and simulation Engineer in Isbir Electric Co Research & Development Department. His research interests are magnetic design and simulations of synchronous generators with Ansys Maxwell.

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